/*
 * Board game - put the figures down and try to make a line.
 * Copyright (C)  2008 Georgi Staykov
 * 
 * This file is part of ClearTheLines.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package com.gstaykov.clearthelines;

import java.awt.Canvas;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.LinkedList;

public class GameActionPanel extends Canvas implements KeyListener {

    private static final long serialVersionUID = 1L;
    private LinkedList<Integer> keysPressed = new LinkedList<Integer>();
    
    public GameActionPanel() {
        addKeyListener(this);
    }

    public void keyPressed(KeyEvent e) {
        keysPressed.addLast(e.getKeyCode());
    }

    public void keyReleased(KeyEvent e) {
    }

    public void keyTyped(KeyEvent e) {
    }
    
    public int getCurrentKey() {
        if (!keysPressed.isEmpty()) {
            int result = keysPressed.getFirst();
            keysPressed.removeFirst();
            return result;
        }
        return 0;
    }
}
